221022112102011 has 96 divisors (see below), whose sum is σ = 369561295134720. Its totient is φ = 125800814131200.

The previous prime is 221022112102007. The next prime is 221022112102039. The reversal of 221022112102011 is 110201211220122.

221022112102011 is a `hidden beast` number, since 2 + 210 + 2 + 211 + 210 + 20 + 11 = 666.

It is not a de Polignac number, because 221022112102011 - 2² = 221022112102007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221022112106011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3913322070 + ... + 3913378548.

It is an arithmetic number, because the mean of its divisors is an integer number (3849596824320).

Almost surely, 2^{221022112102011} is an apocalyptic number.

221022112102011 is a deficient number, since it is larger than the sum of its proper divisors (148539183032709).

221022112102011 is a wasteful number, since it uses less digits than its factorization.

221022112102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61497 (or 61494 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 221022112102011 its reverse (110201211220122), we get a palindrome (331223323322133).

The spelling of 221022112102011 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred twelve million, one hundred two thousand, eleven".